An audio watermarking scheme using singular value decomposition and dither-modulation quantization.
Vivekananda Bhat K.Indranil SenguptaAbhijit DasPublished in: Multim. Tools Appl. (2011)
Keyphrases
- singular value decomposition
- watermarking scheme
- watermark embedding
- digital watermarking
- copyright protection
- multimedia
- spread spectrum
- least squares
- singular values
- watermarking algorithm
- error correction
- jpeg compression
- visual information
- dimensionality reduction
- low rank
- principal component analysis
- human visual system
- image watermarking
- watermarking technique
- signal processing
- watermark extraction
- additive noise
- transform domain
- wavelet domain
- multiscale
- feature extraction